Subtract 5/42 from 25/2
1st number: 12 1/2, 2nd number: 5/42
25/2 - 5/42 is 260/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
25/2 = 25 × 21/2 × 21 = 525/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
5/42 = 5 × 1/42 × 1 = 5/42 - Subtract the two like fractions:
525/42 - 5/42 = 525 - 5/42 = 520/42 - After reducing the fraction, the answer is 260/21
- In mixed form: 128/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/2-5/42 25/2-10/42 25/4-5/42 25/2-5/84 75/2-5/42 25/2-15/42 25/6-5/42 25/2-25/42 25/10-5/42 25/2-35/42 25/14-5/42